ERJ-PA3J133V Equivalent & Substitute Parts

Part Overview

The ERJ-PA3J133V is a 13 kOhms ±5% thick film chip resistor manufactured by Panasonic Electronic Components. This 0603 (1608 Metric) surface-mount resistor is rated for 0.333W (1/3W) power dissipation and meets AEC-Q200 automotive qualification standards with pulse withstanding capability. The part is currently in active production status with 1940 units available in inventory. Equivalent and substitute parts are identified when electrical characteristics, mechanical dimensions, and automotive compliance ratings align within acceptable tolerance parameters.

Substiute Parts

ERJ-PA3J133V

Panasonic Electronic ComponentsIn Stock: 1954ERJ-PA3J133V Datasheet

Current PartRFQ

ESR03EZPJ133

Rohm SemiconductorIn Stock: 2903ESR03EZPJ133 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-PA3J133V is determined by the following critical parameters:

Electrical Parameters: Resistance value (13 kOhms), tolerance (±5%), and temperature coefficient (±200ppm/°C) must be identical. These parameters ensure functional equivalence in circuit operation.

Mechanical Parameters: Package type (0603 / 1608 Metric) and physical dimensions (0.063" L x 0.031" W, height 0.022" max) must match to ensure PCB footprint compatibility and assembly process compatibility.

Compliance & Ratings: AEC-Q200 automotive qualification and thick film composition are required for applications demanding automotive-grade reliability. RoHS3 compliance and MSL 1 rating must be maintained.

Power Rating Consideration: The substitute part ESR03EZPJ133 is rated at 0.25W (1/4W), which is lower than the main part's 0.333W (1/3W) rating. This represents a derating condition and is acceptable only when circuit design margins permit operation within the lower power specification.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-PA3J133V and ESR03EZPJ133 maintain active product status and full compliance with automotive AEC-Q200 qualification standards. Both parts are ROHS3 compliant and carry MSL 1 rating, confirming suitability for automotive and industrial applications without moisture sensitivity constraints.

The primary differentiation is the power rating specification. The Rohm ESR03EZPJ133 operates at 0.25W (1/4W) versus the Panasonic ERJ-PA3J133V at 0.333W (1/3W). Selection between these parts depends on circuit power dissipation requirements at the 13 kOhm resistance value. When circuit analysis confirms that actual power dissipation remains within 0.25W limits, the ESR03EZPJ133 provides a functionally equivalent alternative. When circuit design requires the full 0.333W capability, the ERJ-PA3J133V is the appropriate selection.

Both manufacturers provide equivalent inventory availability, with 1940 units of the Panasonic part and 2819 units of the Rohm part currently in stock.

Frequently Asked Questions (FAQ)

Q: Can ESR03EZPJ133 be used as a direct replacement for ERJ-PA3J133V?

A: Yes, provided circuit power dissipation at 13 kOhms does not exceed 0.25W. All other electrical, mechanical, and compliance parameters are identical. The lower power rating of the substitute part is the only limiting factor.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts use the 0603 (1608 Metric) package with dimensions of 0.063" L x 0.031" W and maximum seated height of 0.022". PCB footprint compatibility is confirmed.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both ERJ-PA3J133V and ESR03EZPJ133 carry AEC-Q200 automotive qualification with pulse withstanding capability, thick film composition, and identical temperature coefficient specifications.

Q: What is the significance of the power rating difference?

A: The power rating indicates maximum continuous power dissipation capability. At 13 kOhms resistance, the Panasonic part supports up to 0.333W while the Rohm part supports up to 0.25W. Circuit design must ensure actual power dissipation remains within the selected part's rating.

Q: Are moisture sensitivity considerations different between these parts?

A: No. Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage, handling, or assembly processes.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Both parts meet AEC-Q200 automotive standards and carry identical compliance certifications. Interchangeability is determined by power dissipation requirements and design margins specific to the application circuit.